Extending the life of roadway pavements with the timely use of preservation techniques has been an important strategy for highway agencies for many years. However, although preservation strategies for low- to moderate-volume roadways are widely accepted, are fairly commonplace, and have generally been successful, implementation of those same strategies on high-traffic-volume roadways involves greater challenges. The SHRP 2 Project R26 was performed to examine pavement preservation strategies for high-traffic-volume applications and to develop guidance on which preservation treatments are appropriate under what circumstances. In this project the state-of-the-practice for preservation approaches for high-traffic-volume roadways was identified through a national and international literature search and a detailed survey of highway agencies and other pertinent organizations. This project also involved developing a set of best practices and guidelines for selecting preservation treatments at the project level on the basis of careful and complete assessments of factors such as traffic volume, pavement condition, climatic condition, costs, expected performance, and work zone requirements. This paper presents findings from the highway agency survey and discusses how those results were used in conjunction with the literature review results to develop the key deliverable for the study: the stand-alone document Guidelines for the Preservation of High-Traffic-Volume Roadways.
Pavement Preservation on High-Traffic-Volume Roadways
Transportation Research Record: Journal of the Transportation Research Board
Transportation Research Record: Journal of the Transportation Research Board ; 2235 , 1 ; 54-65
2011-01-01
Article (Journal)
Electronic Resource
English
Pavement Preservation on High-Traffic-Volume Roadways
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